<template>
  <ul class="todo-main">
    <TodoItem v-for="(todo,index) in todos" :key="index" :todo="todo" :index="index"/>
  </ul>
</template>

<script>
  import {mapState} from 'vuex'
  import TodoItem from "./TodoItem";
  import storageUtil from "../util/storageUtil";

  export default {
    name: "TodoList",
    components: {TodoItem},
    computed: { //
      ...mapState(['todos'])
    },
    watch: {
      todos: { // 深度监视
        deep: true,
        handler: storageUtil.writeTodos
      }
    }
  }
</script>

<style scoped>
  /*main*/
  .todo-main {
    margin-left: 0px;
    border: 1px solid #ddd;
    border-radius: 2px;
    padding: 0px;
  }

  .todo-empty {
    height: 40px;
    line-height: 40px;
    border: 1px solid #ddd;
    border-radius: 2px;
    padding-left: 5px;
    margin-top: 10px;
  }


</style>
